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Risks and Uncertainties (Details) - USD ($) $ in Millions | Sep. 30, 2018 | Dec. 31, 2017
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Unusual Risk or Uncertainty [Line Items] |  |
Debt Default Amount | $ 357 |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures | 1,277 | $ 1,197
PUERTO RICO | Covenant Violation [Member] |  |
Unusual Risk or Uncertainty [Line Items] |  |
Debt Default Amount | 322 |
AES llumina [Member] | Covenant Violation [Member] |  |
Unusual Risk or Uncertainty [Line Items] |  |
Debt Default Amount | $ 35 |

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- Definition Amount of outstanding debt or borrowing associated with any securities or credit agreement for which there has been a default in principal, interest, sinking fund, or redemption provisions, or any breach of covenant that existed at the end of the period and subsequently has not been cured. + References No definition available. + Details
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- Definition Amount of investment in equity method investee and investment in and advance to affiliate. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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